return mail
31turnback mail — (See return mail) …
32Simple Mail Transfer Protocol — This article is about the Internet standard for electronic mail transmission. For the email delivery company, see SMTP (company). Internet protocol suite Application layer …
33E-mail marketing — is a form of direct marketing which uses electronic mail as a means of communicating commercial or fundraising messages to an audience. In its broadest sense, every e mail sent to a potential or current customer could be considered e mail… …
34E-mail spam — E mail spam, also known as bulk e mail or junk e mail, is a subset of spam that involves nearly identical messages sent to numerous recipients by e mail. A common synonym for spam is unsolicited bulk e mail (UBE). Definitions of spam usually… …
35Military mail — US Navy sailors sorting mail at Fleet Mail Center Yokohama A primary feature of military mail systems is that norm …
36Certified Mail — United States 15c certified mail stamp of 1955, postman Certified Mail is a type of Special Service mail offered by the United States Postal Service and other postal services that allows the sender proof of mailing, as well as proof of… …
37Certified e-mail — is an e mail whitelisting technique by which an internet service provider allows someone to bypass spam filters when sending e mail messages to its subscribers, in return for paying a fee to the certifying service. A sender can then be sure that… …
38Daily Mail Circuit of Britain Air Race — The Daily Mail Circuit of Britain Air Race was a British cross country air race which took place from 1911 until 1914, with prizes donated by the Daily Mail newspaper. It was one of several races and awards promoted by the paper between 1906 and… …
39Royal Mail — Holdings plc Type State Owned Limited company Industry Postal service Founded 1516 …
40Dead letter mail — Dead letter redirects here. For other uses, see Dead letter (disambiguation). Dead letter mail or undeliverable mail is mail that cannot be delivered to the addressee or returned to the sender. This is usually due to lack of compliance with… …
